API Reference

Complete reference documentation for the RobotDomainSearch API.

Base URL

https://api.robotdomainsearch.com

Endpoint	Method	Description	Price
`/v1/check`	GET	Check domain availability (supports bulk TLD and category checks)	Free
`/v1/whois`	GET	WHOIS / RDAP domain lookup	Free
`/v1/dns/{domain}`	GET	DNS record lookup (A, AAAA, MX, NS, TXT, SOA, DNSSEC)	Free
`/v1/intel`	GET	Domain intelligence (parked detection, screenshot)	$0.05
`/v1/auctions`	GET	Browse live domain auctions	Free
`/v1/tlds`	GET	List supported TLDs (511 TLDs across 15 categories)	Free
`/v1/register`	GET	Get registration links	Free
`/v1/aftermarket/{domain}`	GET	Check aftermarket listings	Free
`/v1/valuation/{domain}`	GET	Estimate domain market value	$0.02–$0.08
`/v1/name-search-presence`	GET	Check search engine presence for a name or brand	$0.02
`/health`	GET	API health check	Free

Search the USPTO trademark database. ~14M records with full-text, phonetic, and fuzzy matching.

Endpoint	Method	Description
`/v1/trademark/search`	GET	Search trademarks by mark text
`/v1/trademark/search/description`	GET	Search by goods/services description
`/v1/trademark/search/owner`	GET	Search by owner name
`/v1/trademark/search/expiring`	GET	Find expiring trademarks
`/v1/trademark/search/status`	GET	Trademark index status

The ENS (Ethereum Name Service) endpoints provide .eth name availability and metadata lookups. ENS is proxied through the main API.

Base URL:

https://api.robotdomainsearch.com

Endpoint	Method	Description
`/v1/ens/check`	GET	Check ENS name availability + pricing
`/v1/ens/metadata`	GET	Get ENS metadata (address, avatar, social links)
`/v1/ens/health`	GET	ENS service health check

All endpoints accept query parameters:

curl "https://api.robotdomainsearch.com/v1/check?name=example&tld=com"

All responses are JSON. Each endpoint returns a different structure — see the individual endpoint docs for details.

Rate limiting is applied to all requests. See Rate Limits for details.

Paid endpoints accept micropayments via two protocols — no API key required:

See Payments documentation for integration guides.

All errors return a consistent format:

{
  "error": "invalid_domain",
  "message": "The domain format is invalid",
  "code": 400
}

See Error Codes for the complete list.